diff --git a/packages/core/client/src/schema-component/antd/variable/TextArea.tsx b/packages/core/client/src/schema-component/antd/variable/TextArea.tsx
index 89ea49ad3f..724e9f4f1e 100644
--- a/packages/core/client/src/schema-component/antd/variable/TextArea.tsx
+++ b/packages/core/client/src/schema-component/antd/variable/TextArea.tsx
@@ -210,7 +210,7 @@ function getCurrentRange(element: HTMLElement): RangeIndexes {
 
 export function TextArea(props) {
   const { wrapSSR, hashId, componentCls } = useStyles();
-  const { value = '', scope, onChange, multiline = true, changeOnSelect, style } = props;
+  const { value = '', scope, onChange, changeOnSelect, style } = props;
   const inputRef = useRef<HTMLDivElement>(null);
   const [options, setOptions] = useState([]);
   const form = useForm();
@@ -420,9 +420,10 @@ export function TextArea(props) {
           hashId,
           'ant-input',
           { 'ant-input-disabled': disabled },
+          // NOTE: `pre-wrap` here for avoid the `&nbsp;` (\x160) issue when paste content, we need normal space (\x32).
           css`
             overflow: auto;
-            white-space: ${multiline ? 'normal' : 'nowrap'};
+            white-space: pre-wrap;
 
             &[placeholder]:empty::before {
               content: attr(placeholder);
diff --git a/packages/plugins/@nocobase/plugin-workflow-request/src/server/RequestInstruction.ts b/packages/plugins/@nocobase/plugin-workflow-request/src/server/RequestInstruction.ts
index 95e0bf0ea6..b3c41b0434 100644
--- a/packages/plugins/@nocobase/plugin-workflow-request/src/server/RequestInstruction.ts
+++ b/packages/plugins/@nocobase/plugin-workflow-request/src/server/RequestInstruction.ts
@@ -25,8 +25,8 @@ export type RequestConfig = Pick<AxiosRequestConfig, 'url' | 'method' | 'params'
 };
 
 const ContentTypeTransformers = {
-  'application/json'(data) {
-    return data;
+  'text/plain'(data) {
+    return data.toString();
   },
   'application/x-www-form-urlencoded'(data: { name: string; value: string }[]) {
     return new URLSearchParams(
@@ -52,6 +52,7 @@ async function request(config) {
 
   // TODO(feat): only support JSON type for now, should support others in future
   headers['Content-Type'] = contentType;
+  const transformer = ContentTypeTransformers[contentType];
 
   return axios.request({
     url: trim(url),
@@ -61,7 +62,7 @@ async function request(config) {
     timeout,
     ...(method.toLowerCase() !== 'get' && data != null
       ? {
-          data: ContentTypeTransformers[contentType](data),
+          data: transformer ? transformer(data) : data,
         }
       : {}),
   });